Home / 11,776.42-16,251.33-6,740.55

Finding the Fourth Proportional to 11,776.42, 16,251.33 and 6,740.55

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Solution

The fourth proportional to 11,776.42, 16,251.33 and 6,740.55 is: 9,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.42 : 16,251.33 = 6,740.55 : x
  2. Step 2: Convert to fraction form
    11,776.42/16,251.33 = 6,740.55/x
  3. Step 3: Cross multiply
    11,776.42x = 16,251.33 × 6,740.55
  4. Step 4: Simplify right side
    11,776.42x = 109,542,927.71
  5. Step 5: Solve for x
    x = 109,542,927.71/11,776.42
  6. Step 6: Final answer
    x = 9,301.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.